Resumen de Getting into the Swing.
The article discusses how biologists at Northeastern University are conducting experiments designed to study running by measuring blood flow in the legs of the helmeted guinea fowl Numida meleagris. Researchers previously suggested that during running, virtually all energy fueling the muscles went to generating force when the foot is on the ground. Now they find that bringing the legs forward consumed roughly a quarter of the energy used by the hind limbs. Investigators say their research should provide valuable clues to understanding human locomotion, with potential benefits to rehabilitative medicine.
